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Keywords:

  • surface-enhanced fluorescence;
  • surface-enhanced Raman scattering;
  • shell-isolated nanoparticles;
  • local field enhancement;
  • crystal violet
Thumbnail image of graphical abstract

The first direct experimental evidence for the dependence on the local field enhancement with Raman/fluorescence measurements in the far field is provided. This is achieved using shell-isolated silver nanoparticles permitting recording both the surface-enhanced Raman scattering (SHINERS) and surface-enhanced fluorescence (SHINEF) in one spectrum from a low quantum yield target molecule in solution. In addition, it is found that the SHINEF approach using shell-isolated silver nanoparticles provides enhancement factors much higher than those achieved with gold SHINs.